In the physics of gauge theories, gauge fixing (also called choosing a gauge) denotes a mathematical procedure for coping with redundant degrees of freedom...
28 KB (4,271 words) - 21:58, 2 May 2024
In electromagnetism, the Lorenz gauge condition or Lorenz gauge (after Ludvig Lorenz) is a partial gauge fixing of the electromagnetic vector potential...
11 KB (1,450 words) - 15:44, 16 May 2024
gauge Electroweak theory Gauge covariant derivative Gauge fixing Gauge gravitation theory Gauge group (mathematics) Kaluza–Klein theory Lorenz gauge Quantum...
47 KB (6,760 words) - 18:04, 26 August 2024
BRST quantization (category Gauge theories)
rules by fixing the gauge. The traditional gauge fixing prescriptions of continuum electrodynamics select a unique representative from each gauge-transformation-related...
55 KB (8,743 words) - 07:00, 28 May 2024
catheters Gauge theory Gauge integral Gauge fixing Gauge boson Gauge (Minkowski functional) Gauge (knitting), the number of stitches in a given length Gauge (actress)...
3 KB (376 words) - 21:58, 21 February 2024
Faddeev–Popov ghost (redirect from Faddeev-Popov gauge fixing)
}^{a}F^{a\mu \nu }\right).} The integral needs to be constrained via gauge-fixing via G ( A ) = 0 {\displaystyle G(A)=0} to integrate only over physically...
7 KB (1,008 words) - 23:35, 12 June 2024
potentials V and A is given in the article Gauge fixing, along with the precise statement of the nature of the gauge transformation. The relevant point here...
31 KB (4,386 words) - 01:00, 18 January 2024
RNS formalism (section Gauge fixing)
residual symmetry algebras that can arise. That is, gauge fixing does not always fully fix the entire gauge symmetry, but can instead leave behind some unfixed...
29 KB (4,752 words) - 11:19, 5 August 2024
}}{k^{2}}}}{k^{2}}}.} To find the Feynman rules for non-Abelian gauge fields, the procedure that performs the gauge fixing must be carefully corrected to account for a change...
93 KB (16,023 words) - 09:51, 18 August 2024
Ward–Takahashi identity (category Gauge theories)
{\displaystyle S} is the gauge invariant action and S g f {\displaystyle S_{\mathrm {gf} }} is a non-gauge-invariant gauge fixing term. Gauge-fixing terms are required...
10 KB (1,658 words) - 09:14, 2 June 2024
Proca action (category Gauge theories)
\partial _{\mu }B^{\mu }=0\!} which may be called a generalized Lorenz gauge condition. For non-zero sources, with all fundamental constants included...
4 KB (736 words) - 23:37, 5 February 2024
transformations. Gauge theory Gauge covariant derivative Gauge fixing Gauge gravitation theory Kaluza–Klein theory Lie algebra Lie group Lorenz gauge Quantum chromodynamics...
2 KB (153 words) - 16:42, 5 October 2022
manifest invariance to gauge transformations, for perturbative calculations it is necessary to fix a gauge. The gauge-fixing procedure was developed...
7 KB (1,005 words) - 13:46, 19 August 2024
Gribov ambiguity (category Gauge theories)
In gauge theory, especially in non-abelian gauge theories, global problems at gauge fixing are often encountered. Gauge fixing means choosing a representative...
17 KB (2,537 words) - 01:28, 16 December 2023
Elitzur's theorem (category Gauge theories)
imposing a gauge fixing, usually the unitary gauge. Any value of the vacuum expectation value can be acquired by an appropriate gauge fixing choice. Calculating...
11 KB (1,380 words) - 10:12, 15 April 2024
after gauge fixing, the equations cut out the solution space transversely and so define a smooth manifold. The residual U(1) "gauge fixed" gauge group...
16 KB (2,592 words) - 17:53, 5 November 2023
pseudo-Hermitian operators. The theory began with the application of BRST gauge fixing procedure to Langevin SDEs, that was later adapted to classical mechanics...
60 KB (8,665 words) - 22:11, 1 March 2024
Landau levels (section In the Landau gauge)
properties are not influenced by the specific choice of gauge. From the possible solutions for A, a gauge fixing introduced by Lev Landau is often used for charged...
20 KB (3,131 words) - 22:30, 24 July 2024
unitarity gauge or unitary gauge is a particular choice of a gauge fixing in a gauge theory with a spontaneous symmetry breaking. In this gauge, the scalar...
2 KB (291 words) - 19:48, 26 July 2022
symmetry through the Higgs mechanism. These good ghosts are artifacts of gauge fixing. The longitudinal polarization components of the W and Z bosons correspond...
8 KB (927 words) - 13:00, 27 August 2024
sacrifice manifest gauge symmetry by requiring gauge fixing. It's only after renormalization that gauge invariance can be recovered. Lattice field theory...
3 KB (364 words) - 19:45, 14 April 2024
BRST formulations of the Chern-Simons-Higgs theory under appropriate gauge fixing". Physica Scripta . 79 (4): 045001. Bibcode:2009PhyS...79d5001K. doi:10...
26 KB (3,589 words) - 16:21, 14 May 2024
same system would correspond to a numerically different solution.) A "gauge fixing" is needed, i.e. we need to impose 4 (arbitrary) constraints on the coordinate...
8 KB (1,286 words) - 10:07, 22 May 2024
Wess–Zumino gauge (a prescription for supersymmetric gauge fixing) provides a successful solution to this problem. Once such suitable gauge is obtained...
11 KB (1,616 words) - 09:59, 26 May 2024
of gauge is the process of converting a railway from one rail gauge to another. Change of gauge or gauge change may also refer to: Change of gauge (aviation)...
951 bytes (173 words) - 01:34, 4 July 2018
Stueckelberg action (category Gauge theories)
representation — in contemporary terminology, a U(1) nonlinear σ-model. Gauge-fixing ϕ = 0 {\displaystyle \phi =0} , yields the Proca action. This explains...
5 KB (690 words) - 21:52, 19 May 2023
e. if the gauge fixing equations define a slice to the gauge action). The gauge-fixed potentials still have a gauge freedom under all gauge transformations...
42 KB (6,726 words) - 18:48, 4 August 2024
of independent equations from 10 to 6, leaving the metric with four gauge-fixing degrees of freedom, which correspond to the freedom to choose a coordinate...
34 KB (5,098 words) - 08:50, 29 July 2024
scalar potential, then the equations are underdetermined because of gauge fixing. Maxwell's equations and the Lorentz force law (along with the rest of...
75 KB (7,917 words) - 18:53, 24 August 2024
that principal bundle is a gauge fixing and the process of replacing one section by another is a gauge transformation. If a gauge transformation isn't homotopic...
743 bytes (80 words) - 17:26, 26 July 2022